string_with_default

uquery

Function string_with_default 

Source 
pub fn string_with_default(
    text: &str,
    def: Option<impl Into<String> + Display>,
) -> QueryResult<String>
Expand description

Queries the user for string input with a default.

The user can unset the value by typing a space, otherwise, if no string is specified and a deafult is given the default will be used.

ยงErrors

Fails on io errors with the stdin and stdout.

Examples found in repository?
examples/query.rs (lines 7-10)
3fn main() -> io::Result<()> {
4    let name = uquery::string("What is your name?")?;
5    println!("Hello {}.", name);
6
7    let day = uquery::string_with_default(
8        "What is your favourite day?",
9        Some("Monday"),
10    )?;
11    println!(r#"I see your favourite day is "{}"."#, day);
12
13    let number: usize = uquery::parsable_with_default("Whats your favourite number?", 7)?;
14    println!("Hello {} lover", number);
15
16    let age: u8 = uquery::parsable("How old are you?")?;
17    println!("Hello {} year old.", age);
18
19    let happy = uquery::boolean("Are you happy?", None)?;
20    println!("It is {} that you are happy.", happy);
21
22    Ok(())
23}